查询词典 absolute ceiling

Company production of "xing up" brand acoustic board, gypsum board ceilings calcium, high-crystalline calcium silicate board, ceiling and other products for its outstanding performance and noble quality, as favored by the majority of customers, products sold at home and abroad.

公司生产的"兴远达"牌、"益飞"牌吸音板、硅钙天花石膏板、高晶硅钙板、天花板等产品更以其卓越的性能和高贵的品质，为广大的客户所青睐，产品畅销国内外。

The measures of noise control: the wall of operating room is completely paved with 30mm thickness aluminum perforated acoustic panel, 100mm cavity; the ceiling is completely paved with 30mm thickness aluminum perforated acoustic panel, and 200mm cavity door is used as the sound insulation door.

噪声控制措施：操作室墙面满铺30 mm厚铝穿孔吸声板，100 mm安装后空腔；天花满铺30 mm厚铝穿孔吸声板，200 mm安装后空腔门为隔声门。

I'm not an acoustician, but there have been times that in working in makeshift rooms there's weird bounce that happens from all of the right angles in the walls and the ceiling.

我不是声学专家，但在有几次的工作中，我发现那些临时代用的房间会从墙面和天花板的特定角度传来反弹声。

Now sitting in hotel room, still feel the aftershock from time to time, ceiling cracking.

现在坐在酒店的房间里，仍然时不时可以感觉到余震，天花板不时地发出要爆裂的声音。

The door between them is locked at first, so you're forced to grapple into a ceiling air duct and crawl through.

这两个房间的门一开始是锁着的，所以你必须先飞到天花板上的通风管里。

This is an aircraft with a ceiling of 20,000 ft.

这是一驾可飞 20，000英尺高的飞机。

A high ceiling gives a feeling of airiness and spaciousness.

高高的天花板给人一种通风和宽敞的感觉。

It was used especially by 15th-century Flemish painters (e.g., Jan van Eyck's Ghent Altarpiece, 1432) and in the late 18th century to imitate Classical sculpture in wall and ceiling decoration .

15世纪的法兰德斯画家(例如艾克的根特祭坛画〔1432〕)和18世纪后期的画家，在墙壁和天顶装饰画中尤多使用，藉以仿效古典雕塑效果。

The main work and the originality points of this dissertation could be concluded as the following parts:(1) To analyze systematically the mathematical model of LES of air flow in great space, under the case of isothermal and non-isothermal, as well as the combined action of buoyancy and strain. Some basic problems are studied about the LES application into airflow simulation of great space, such as boundary conditions, spatial difference scheme and time advancing scheme, time step etc., which creates the basis for the LES application to indoor airflow simulation.(2) Both the instantaneous and time averaged flow field of great space with multiple jets under isothermal and non-isothermal cases are explored with large eddy simulation method, and also discussed the dynamic characteristics and the law of fluidflow in the great space.(3) Based on the results of LES of the great space and the Fanger thermal comfort indexes, it is brought forward the concept of the series of dynamic thermal comfort evaluating indexes, which could be divided into thermal comfort index with time averaged properties PD, PPD, PMV, thermal comfort index with instantaneous properties IPD, IPPD, IPMV, and time averaged thermal comfort indexes TAPD, TAPPD, TAPMV, and transient situations time averaged thermal comfort indexes TTAPD, TTAPPD, TTAPMV. The differences among them and the calculation methods are discussed, and the four kinds of indexes are calculated with the thermal comfort index PD as an example.(4) Based on the LES results it is discussed the hot air stratification phenomena in air-conditioned buildings in the case with air supply and return registers on the ceiling and the case on the sidewall. The fundamentals of the hot air stratification are studied and the relations of estimating hot air stratification are brought forward.(5) With the advanced apparatus such as hot wire film anemometer IFA300 and laser particle field anemoscope, corresponding model test and site measurements have been done, which are compared with the simulation results and LES is proved a very promising method in air flow simulation indoor.

本文主要工作既创新点体现在以下几个方面：(1)系统分析了等温、非等温和考虑剪切力与浮升力综合作用的高大空间大涡模拟数学模型，并研究了高大空间大涡模拟在室内气流仿真应用中的一些基本问题，如边界条件、空间离散格式和时间推进格式、时间步长选择等问题，为大涡模拟在室内气流计算中的广泛应用打下了基础；(2)首次用大涡模拟方法研究了高雷诺数下高大空间多射流在等温、非等温情况下的瞬时流场和时均流场分布，并探讨了多射流流场的动态特性和流动规律；(3)基于大涡模拟的动态仿真结果和Fanger的热舒适指标，首次系统地提出了动态热舒适评价指标体系的概念：即基于时间平均参数的热舒适指标PD、PPD、PMV；基于瞬时参数的瞬时热指标IPD、IPPD、IPMV；基于时间平均热舒适指标TAPD、TAPPD、TAPMV；以及沿行动迹线的时间平均热舒适指标TTAPD、TTAPPD、TTAPMV，并分析了四类热舒适指标的差异性和计算方法，还以PD值为例对四类指标分别进行了计算；(4)基于数十种工况下空调房间大涡模拟的结果，研究了空调建筑上送上回和侧送侧回两种情况下热分层现象，并探讨了热分层的基本规律，首次提出了避免热分层现象的判断公式；(5)在暖通空调领域，首次使用IFA300热线风速仪、激光粒子速度场仪等先进设备，完成了与大涡模拟相对应的模型试验，并把实测结果与仿真结果进行了对比，说明LES在室内气流仿真方面是一种很有前景的方法。

You can not miss the Vatican Museum especially the Sistine Chapel which is one of the master pieces in the whole art history. The museum has works of art of painters during the Renaissant, including Botticelli, Fra Angelico and Michelangelo who painted for the ceiling.

不可不看的还有梵蒂冈博物馆，特别是西斯廷厅，那是整个艺术史的最高层次的杰作之一；文艺复兴时期的几位意大利大师都为其绘画：波提切利、基尔兰达佑和米开朗琪罗，后者画了天花板上的壁画。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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